Contents
v
Catalyst 3750-E and 3560-E Switch Hardware Installation Guide
OL-9774-03
Installing a DC-Power Supply 3-4
Preparing for Installation 3-5
Grounding the Switch 3-5
Installing the DC Power Supply in the Switch 3-8
Wiring the DC-Input Power Source 3-9
Installing a Fan Module 3-10
CHAPTER
4Troubleshooting 4-1
Diagnosing Problems 4-1
Check Switch POST Results 4-1
Check Switch LEDs 4-2
Check Switch Connections 4-2
Bad or Damaged Cable 4-2
Ethernet and Fiber Cables 4-2
Link Status 4-2
PoE Connections 4-3
Transceiver Issues 4-3
Port and Interface Settings 4-3
Ping End Device 4-4
Spanning Tree Loops 4-4
Check Switch Performance 4-4
Speed, Duplex, and Autonegotiation 4-4
Autonegotiation and NIC Cards 4-5
Cabling Distance 4-5
How to Clear the Switch IP Address and Configuration 4-5
Finding the Switch Serial Number 4-6
How to Replace a Failed Stack Member 4-6
APPENDIX
ATechnical Specifications A-1
APPENDIX
BConnector and Cable Specifications B-1
Connector Specifications B-1
10/100/1000 Ports B-2
10-Gigabit Ethernet Module Interfaces B-2
SFP Modules B-3
10/100 Ethernet Management Port B-4
Console Port B-4